Comparison

When · Days That Matter vs Time Kept

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

When · Days That Matter

Features
Read full description

When (formerly #DAYS) helps you keep the dates that shape your past, present, and future. Birthdays, anniversaries, and the days a plan begins or ends can all live on one continuous timeline. ONE STORY, MORE THAN ONE DATE Add beginnings, endings, and other moments to the same record, so its full arc stays together—not just a countdown number. SEE TIME CLEARLY Browse what has passed, what is in progress, and what is coming next. When uses each actual date and keeps the exact day count visible. HOME SCREEN WIDGETS Keep important dates and photos on your Home Screen. Each widget size can have its own event and composition. GENTLE, USEFUL REMINDERS Set custom and milestone reminders. Notifications are scheduled locally on your device, with no account required. FREE & PREMIUM Create up to 10 records for free, with iCloud sync and timelines included. Premium unlocks unlimited records, advanced reminders, poster widget layouts, and celebration effects. A one-time purchase unlocks Premium permanently. Your records are designed with privacy in mind. If you enable iCloud, sync is provided by Apple CloudKit. Purchases are handled by Apple’s StoreKit. Questions or feedback? Email aloooone@proton.me Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Time Kept

This app helps you track important dates and manage time with a focus on aesthetic design. It offers customizable desktop widgets, a visual representation of your life's progress, and a professional lunar calendar engine.

Highlights
  • Bespoke desktop widgets
  • Life Grid visualization
  • Time progress rings
  • Professional Lunar Engine
  • FaceID/TouchID privacy lock
  • iCloud seamless sync
Features
Read full description

Time Kept is a time-tracking app designed for recording important dates and memories. It doesn't rush you to achieve more; it simply reminds you at the right moment: some people are worth thinking of early, some days are worth preparing for, and some past moments are worth cherishing. In "Days", you can view upcoming birthdays, anniversaries, and promises, while easily setting up custom reminders and preparation checklists. In "Memories", enrich your records with text and photos, and gently scroll through past moments along a beautiful timeline. You can also turn a significant date or memory into a clean, minimalist time card to share with those who walked alongside you. Key Features Important Dates: Track birthdays, anniversaries, promises, and major life events. Flexible Repetition: Set events to repeat weekly, monthly, yearly, or keep them as one-time milestones. Smart Reminders: Custom alerts ranging from 30 days in advance to the exact day. Preparation Checklists: Turn anxious waiting into calm, organized preparation. Memory Timeline: Relive your journey through text, photos, and historical records. iCloud Sync: Securely sync all your text data and photos across your Apple devices. Home Screen Widgets: See your most important days, what's next, and past memories at a glance. Privacy Lock: Protect your private sanctuary with Face ID or device passcode. Legal & Support Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://greathao.github.io/timemachine-support/#privacy Contact Us: https://greathao.github.io/timemachine-support/

Screenshots

When · Days That Matter4 screens
Time Kept3 screens

Verdict

The call

The clearest difference is update cadence: When · Days That Matter at every 3 days against Time Kept's every 5 months. Time Kept's advantage is device support (3 vs 1) and iOS requirement (15 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. When · Days That Matter sells 1 one-off in-app purchase and Time Kept sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

When · Days That Matter ships an update every 3 days, Time Kept every 5 months. The most recent releases landed on September 26, 2026 and August 25, 2026 respectively.

Scorecard3 real differences · 7 level
When · Days That Matter versus Time Kept: the parameters behind the verdict, then further details
ParameterWhen · Days That MatterTime Kept
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 days — betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015 — better
Further details — not scored
Size6 MB33 MB
Age rating4+4+
Developer杰龙 刘浩 刘

In-app purchases

1 purchases

When · Days That Matter

One-time1
  • When Premium · Lifetime Access$0.99
3 purchases

Time Kept

Subscriptions2
  • 基础月度订阅$0.991 Month
  • 年度订阅 (送试用)3 Days trial$4.991 Year
One-time1
  • 拾光机 PRO 终身买断$9.99

Questions

Is When · Days That Matter free?
When · Days That Matter is free to download, with in-app purchases available.
Is Time Kept free?
Time Kept is free to download, with in-app purchases available.
Do When · Days That Matter or Time Kept have ads?
Neither When · Days That Matter nor Time Kept shows ads.
Which is updated more often, When · Days That Matter or Time Kept?
When · Days That Matter ships an update every 3 days, and Time Kept every 5 months. Most recently, When · Days That Matter was updated on September 26, 2026 and Time Kept on August 25, 2026.

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